What does it mean that hormones do not initiate new biochemical reactions, but produce their effects by regulating enzymatic and other chemical reactions, already present?
Question #111615. Asked by ErumSaeed.
looney_tunes
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looney_tunes 19 year member
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Hormones carry messages from one part of the body to another. Their presence affects reactions already either potentially or actually underway when they bind to a receptor protein, resulting in the activation of a signal transduction mechanism.
https://en.wikipedia.org/wiki/Hormone